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Which “Earl” of the three you prefer….

Cyberbill

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Liquid Moly…Motul…Pensoil Ultra Platinum…5w30 Mustang Gt 2019 Convertible…5.0 V8 ..who changes oil every 5,000 mile religiously Living in Texas. … Thanks Grandpa Bill
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skinnyb

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I use Pennzoil Platinum. I don't spring for the Ultra. On the shelf at Wally world, usually less than $25 a jug. I do use a bottle of Liquimoly Ceratec every change too though.
 

EFI

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Can't go wrong with either of those choices. I run PUP just because it's half the price of the others and easily available at Walmart or Amazon.
 

junits15

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LIquiMoly is very good stuff, I used to run it but the 5L jug is annoying.

I run Mobil 1 now because its easy cheap and meets spec.
 

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Keeffa

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Liquid Moly…Motul…Pensoil Ultra Platinum…5w30 Mustang Gt 2019 Convertible…5.0 V8 ..who changes oil every 5,000 mile religiously Living in Texas. … Thanks Grandpa Bill
I'm in Australia so we run kilometres. I change oil every 10,000 ks. I use Penrite HPR5 5w40.
 

Skye

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PUP here.

Lots of great products available to us. Whichever you decide, I think it's best to stay consistent in brand and weight, unless you begin making mods (changing requirements), head to the track, etc. There's like .5 quart, .47 liter of oil which remains in the galleys. Frequent changing of brand/type, mixing, IDK, it's something I'd like to avoid.
 
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Cyberbill

Cyberbill

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PUP here.

Lots of great products available to us. Whichever you decide, I think it's best to stay consistent in brand and weight, unless you begin making mods (changing requirements), head to the track, etc. There's like .5 quart, .47 liter of oil which remains in the galleys. Frequent changing of brand/type, mixing, IDK, it's something I'd like to avoid.
Good points. Thanks. Grandpa Bill
 

Weyland-Yutani

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With 5W30 PUP, I get no "tick" and drastically quieter 2K rattle compared to 5W20 Motorcraft. Others may do the same but I'm happy so I stopped looking.
 

Johnnybee

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I used Mobil 1 for, literally, decades in everything I owned. Recently I changed to Quaker State Full Synthetic (formerly Ultimate Durability) after reading this blog (you need to scroll waaay down to the testing results. I change the car spring and fall regardless of mileage (the most was 8K kms). With retirement, mileage has dropped significantly but I am still doing two changes per year.
https://540ratblog.wordpress.com/2013/06/20/motor-oil-wear-test-ranking/
 

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Andy13186

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Amsoil signature series for me but penzoil ultra platinum would be my 2nd choice.
 

mmff88gt

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Liquid Moly…Motul…Pensoil Ultra Platinum…5w30 Mustang Gt 2019 Convertible…5.0 V8 ..who changes oil every 5,000 mile religiously Living in Texas. … Thanks Grandpa Bill
I guess I'll be that guy. I see you keep posting questions that would apply to both body styles of Mustangs under the "Convertible" forum. You'll get a wider range of knowledgeable responses if you post in the correct forum rather than always limiting yourself to just convertible owners and those who happen across this forum. You will notice most other topics here deal with convertible top issues, spoilers that are body-style specific, etc. Just because your engine is in a convertible doesn't make its oil requirements significantly different from other Coyote engines.
 
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Cyberbill

Cyberbill

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Ok. Thanks for the tip…just want to stay within the rules..Grandpa Bill
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